A detailed patent showing IBIS from Canon has appeared at the USPTO. This is a broad patent, but one of the embodiments describes IBIS.
Canon News breaks down US Patent Application 20190094566:
“This patent application attempts to remove backlash from the ultrasonic motors in either an in body stabilization system or an in lens stabilized system without increasing their size. The IBIS patent that they reference in this patent application is an Olympus patent application 2008-220031.
it’s a difficult patent to read; however in figure 5A; this shows the image stabilization unit as being inside the camera, and the text surrounding the description of this camera in 5A is as follows:”
FIG. 5A is a cross-sectional view of the camera system (optical apparatus) including the image pickup apparatus 10 including the image stabilizing...